About Horizon Electric in Troy, Bloomfield Hills, and Oakland County, MI

Electrical Expertise Built on Safety and Precision

When you need a licensed electrical contractor who understands the power demands of modern homes and businesses across Troy, Bloomfield Hills, West Bloomfield, Birmingham, Rochester Hills, Grosse Pointe, and Oakland Township, you deserve a team that prioritizes code-compliant workmanship and clear communication. That's exactly what you'll find when you work with us.


We're a local electrical contractor serving homeowners and businesses across Bloomfield Hills and the surrounding Oakland County area, bringing safe, reliable electrical solutions to renovations, upgrades, and new construction projects of all sizes.


Our approach is simple: treat every job site with respect, show up when we say we will, and deliver electrical work you can trust for years to come.


Experience dependable electrical service built around your schedule and your project's unique needs.

Established to Serve Oakland County Communities

We focus on safe, code-compliant electrical work for renovations, upgrades, and new construction projects throughout the region. From small residential service calls to larger projects like remodel wiring and full electrical installations, we handle each one with the same level of care and attention to detail.


The neighborhoods across Bloomfield Hills, Troy, and surrounding communities are filled with beautiful homes—many built decades ago and now requiring panel upgrades, generator installations, and EV charger installations to keep pace with modern technology and growing power demands. You'll often find our team working quietly and efficiently in tree-lined streets, updating electrical systems to meet today's expectations while preserving the character of these established areas.


We're proud to support homeowners and businesses across Troy and Oakland County, helping our community stay powered, safe, and ready for whatever comes next.


Discover how local expertise makes all the difference.

Our experienced team knows Oakland County homes and businesses, and we treat each project as if it were our own. Clients throughout the region rely on us for reliable electrical solutions that support modern living and commercial operations.

Where Electrical Knowledge Meets Real-World Reliability


We prioritize clear communication, clean job sites, and dependable scheduling for every project


Many clients call us for panel upgrades, generator installations, EV charger installations, and electrical troubleshooting


We work on both small residential service calls and larger projects such as remodel wiring and full electrical installations


Our team understands the unique electrical needs of homes and businesses throughout Troy, Bloomfield Hills, and the surrounding communities


Every installation meets current electrical codes and safety standards


Ready to upgrade your electrical system or tackle that project you've been planning? Reach out to our team today and let's discuss how we can help power your home or business safely and efficiently throughout Troy, Bloomfield Hills, and all of Oakland County, MI.

Meet Our Team


Our seasoned team of electricians has 30+ years of collective experience across the spectrum of industrial, commercial, and residential electrical services.

A person wearing a blue shirt and orange cap with

Denny Koch

FOUNDER - ELECTRICIAN


A person wearing a blue branded hoodie and hat with orange shirt underneath, posing against a grey block wall.

Larry Olejar

FOUNDER - ELECTRICIAN


A person in a blue work shirt and cap with a

Bobby Casalou

FOUNDER - ELECTRICIAN


A person stands on a ladder in an unfinished room, giving a thumbs-up while holding wires from a ceiling light fixture.

Nick Weingartz

MASTER ELECTRICIAN


A smiling person wears a navy blue t-shirt with a pocket, standing in front of a red brick wall.

Josh Prange

APPRENTICE ELECTRICIAN